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. Author manuscript; available in PMC: 2009 Sep 18.
Published in final edited form as: Neuropharmacology. 2003 Dec;45(8):1111–1119. doi: 10.1016/s0028-3908(03)00280-6

Fig. 2.

Fig. 2

Bar graphs showing effects of saline or cholinergic antagonists viz. mecamylamine (50 μg), atropine (30 μg), pirenzepine (10 μg), methoctramine (10 μg) or 4-DAMP (10 μg), on the antihyperalgesia produced by high frequency TENS. Atropine, pirenzepine and 4-DAMP significantly (*, p < 0.01, Tukey’s post hoc test) attenuated the antihyperalgesic effects of high frequency TENS, compared to saline group. Data are mean ± S.E.M. Contra = contralateral, Ipsi = Ipsilateral.